Home / 5,130,672.30-7,690,932.45-2,430,251.10

Finding the Fourth Proportional to 5,130,672.30, 7,690,932.45 and 2,430,251.10

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Solution

The fourth proportional to 5,130,672.30, 7,690,932.45 and 2,430,251.10 is: 3,642,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,672.30 : 7,690,932.45 = 2,430,251.10 : x
  2. Step 2: Convert to fraction form
    5,130,672.30/7,690,932.45 = 2,430,251.10/x
  3. Step 3: Cross multiply
    5,130,672.30x = 7,690,932.45 × 2,430,251.10
  4. Step 4: Simplify right side
    5,130,672.30x = 18,690,897,046,638.20
  5. Step 5: Solve for x
    x = 18,690,897,046,638.20/5,130,672.30
  6. Step 6: Final answer
    x = 3,642,972.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.